#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
using namespace std;

const int N = 1e6 + 10, INF = 0x3f3f3f3f;

int n;
multiset<int> dp;

void solve() {
    cin >> n;
    dp.insert(0);
    for (int i = 1, l, r; i <= n; i++) {
        cin >> l >> r;
        auto pos = dp.upper_bound(r);
        dp.insert(l);
        if (pos != dp.end()) dp.erase(pos);
        cout << dp.size() - 1 << " \n"[i == n];
    }
    dp.clear();
}

signed main()
{
    // ios::sync_with_stdio(0);
    // cin.tie(0);cout.tie(0);
#define ONLINE_JUDGE
#ifndef ONLINE_JUDGE
    std::istringstream in(R"()");
    std::cin.rdbuf(in.rdbuf());
#endif
    int T = 1;
    cin >> T;
    for (int i = 1;i <= T;i++) {
        solve();
    }
}